Carbureter.



satema Aug. 12, 19x@ 2 SHEETS-SHEET l.

A. l). BRUSH, GARBURETER. APPLICATIQN FILED JAN.12,1910.

megm,

A. P. BRUSH.

CARBURETBR.

APPLICATION FILED 11111.12. 1910.

ateuted Aug. 12, 1913.

2 SHEETS-SHEET?.

1 m1 Ym,

fa/*Hay i BRUSH, iles, resirl .s

and o 5 i esrniii new and 'il rhiire'ters @if lull?, Clear, nifl l0 nales lor n srs ibs i such engines lcw he eiccuzimlmioii of iur lie engine is io provide @il vali.' adapted L0 sup- GXiiimtiG-n *che proper .we lire gssoleiie nozzle7 'iulie UHT ,r l therefrom l l` i discharges ie i theriifrmhi siii: shape he uhuraliiisie scrissi which e described.

Ailie drawing. weilaioii The im' als 1J n is s sectional h1/0d elevation of De iiialirsxd by is i secieniil m 'me venloiizil form ihiii the carhureler casing also is s, Chamber E, imo which air may hs drziwii through an induction i'ubs l?, he 'vertical Dartf of which is of restricted Cross sectional ares, mil forms what is sometimes called lie hroa of hs czirbureter. This throat Communicaes With the botom of the chamber E. The botoih 0l this chamber inciihes ewsr'l this hroat, so that if any unfsporized gasolens is deposited Within said chamber i' Will How by gravity 'news1-ol said throat and either flow sul of the chamber through 'he sine tube, or else will be 'vaporized While in said throat by means si 15h sir owing rapidly therethrough; G is a nozzle arranged vertically Within the throat. csmmuhicatiiig at its lmver smi with ih@ lisait valve chamber and having st its upper end s restricted discharge openn ing-said tube and its lcation being of convenionsl consuma-tion.

Above the hroat is the ulet passageway l adapted to be connected up with the ei1- lins; and across this outlet passageway is hs throttle valve J, which valve may be of nj] siiialble form, for example, the ordinary bu-erly form, shown.

l represents a ube @hen at both ends. lis lower end is located shove and Within s short distance from the discharge end of the hezzlex G. This tube is curved :incl set into ills wall of the carbureier casing und ils @pen upper end esiiiiiiunicnes with the Outleiy passageway H sluwe ihe lhrotle Hilve, sud is sii placed hat gus discharged there-- from is Clscharp'ecl in s direcion across said @zisszigewziy When this sarhureer is connected 'with im engine., said siigiiie on its suction sreks produces s partial vacuum Within l1e, clisiiil5-er E mil within i'lie oiillel passageway H; :ind l@ supply rhis Vacuum, :iir flows in through the iiii'lucion iihe F and lirozi- :uid the pas ige of this air lirhuli the throzu draws fascisme from the nozzle. The stream of. gssolchs so drawn from the nozzle is direeted torviii'd Vthe open lower ende-f tube K; and iiider all coni-,lilium of us' this fleviGs4 ai Ver); eoiisidf-i'iiigile gasslsiis, eiher :is s;

with i f* This;

pass hi'uugh it and bc discharged inizi lh@ @inlet H iii-a' directiun across; the simi@ uml flows acruiis the Current of 0 1' mixed au' and vapor which is passing fhcj ihi'o'tle Valve,Y be compleely vapoiikeni'r'id,fluiroughly mixed. The grcatnlvzmlig .huivever, which flows from the use. of Vthis liihc `K wil be' experi'cncefl when the hzottic valve is very nearly closed. Under auch conditions, with -cm'limers :is hciofue constructed, the suction-stroke of the engin@ piocluc's www slight vacuum in the chamher E, wherefore the'air drawn through the large induction1 tub into and.. hrcugh lhe mixing' chamba?, will moverso slowly hai'i.

it will not iapurizsal of; the gnsolcne draw from lihzze Gv; Wlaerfore lieiiiquid gasolene twill accumulate in the miigiug chamber; and morc'cvcl" an insufficient supply, of ,lha mixtui'c even to'kcep the engine ruiming slowly, would he viioducei'l :m carried foilwaid toward the same. Withlhe cunstruction herein shown1 howevei, lhe upper end of the tubo K is iu lii'eci cmriiimif'aion,

QiLwvhei'e there is i gxea'tei dcgieeh Vacuum than in chamhci" E. be, cvenjif the thi'utlle valve-jim,entirely riuscii, that sumo air Will he drawn" iuu hid tliiuugh'iguhc K, und il1is':i'i"\i'ili nuwe rather rzip-ly, and will pick' up and ."u'i'iy along with.' it.` thc stream ul" gwiso'lcne slimy wise of the s;i1iic',fiiii l allow the hi'ottlo vulve. Zllicni'cslt 'uf vsu {iclivm'iiigf the siii' and vapor across 'the pasQagmvzy-ifi will he 'u more couiplee-mixiug of said nir and Ww pulg-which,mixlznilcivill Ih@ delivered m 'th that the Quint() chiSiii'n (if the hintle who so that im The Iresult will `7" of the cuuiml il, ihc fieiiwrj; info cui-Yeni uf lli@ cross represen@ hf: supplcuicuul nii* Valve,A

past which., when il'. is opeiiff.; cil' may flow inni' chamber E. Thi mmc is' drawn mmz'fl its seat E bj; Single cmii-iiic'iile mii spring S., und imccil from iis scat hy amospheric pieSsiu'c whim. there is Siiiicient, cifgrcc ci' vcuiiu'i 'iii clmmlwi L -zi cuniliiuii that, coiiic about when lha .engine iunnii'xg fusi, ixim'nfilly this 'vulve conical. hu that pcrlion ihe, vulfeiiczir ils luisa. which eugugfswih hc. vulve Seat, is Y is zicu'e than the pari. above il. The nl. sur'faii of the; vulve near ih@ has@ lies at mi :ingle of ahum-i5 degrees, merc m less. lu lh@ lmSc; While lie more anni@ part Valve Suiz'if'e livs ai un :ingle ofv 30 (legis-iis in h@ has?. 'llflwnzi nlm of this external shape, c nii-filled by u single cuiilimtile coil Aspiiiigi is (ii'iiwii various distances fluwiiwaiil in ziccm'ilzuicc wit-li ih@ vziiyiiig-fgcs (if vacuum iii "nl .'ui'irijixs mies of high speeil, ih@ explo- Thu iiii which lfires iixl'o lh@ cyliiiflci ,will exclusiv iziichiii' lli@ (liti. which would um, nvrticiii nozzle disposed in Sniliiisaid passage-Way and above the throttle vulve. l0 n testimony whereof, I hereunto aix myl signature in the presence of two Witneeb'es.

ALANSON P. BRUSH.

passage-way, a tube open at both ens and having at and near its lower end a Vertical portion which is close to and above the /nozzle and having a curved port-ion which is 5 set into the wall of the carburetor casino,

:and Whose upper portion communicates with I Witnesses:

the passageway above said valve and ds- H. R. SULLIVAN,

charges diei-ein in a direction crosswse ofi E. L. THURsToN. 

